BBC News, 11/7/2010
US President Barack Obama has stressed Washington’s support for Mexico’s ongoing battle against drug cartels.
A leader of Mexico’s powerful Gulf cartel was shot dead on Friday by security forces in a town near the US border.
Ezequiel Cardenas Guillen, known as “Tony Tormenta”, was killed in Matamoros, across the border from Brownsville in Texas.
Obama said the US backed Mexico’s efforts to end the cartels’ “impunity”